- State
- IL
- Covered entity type
- Business Associate
- Individuals affected
- 681
- Business associate present
- Yes
- Type of breach
- Hacking/IT Incident
- Location of breached information
- First seen by InfoSec Signals
- 9/23/2026
- Last seen in OCR export
- 9/23/2026
OCR description
The business associate (BA), MHNU Corporation dba Medical Home Network, reported that several employees were the subjects of an email phishing attack that affected the protected health information (PHI) of 681 individuals. The PHI involved included names, dates of birth, addresses, lab results, diagnoses, and medications. The BA notified HHS, affected individuals, the media, and provided substitute notice. In response to the breach, the BA implemented additional administrative, technical, and security safeguards to better protect PHI.
Change history
- 9/23/2026Added to OCR's archive list
Source: U.S. Department of Health and Human Services, Office for Civil Rights, Breach Portal. Records are reproduced as published; entity names and figures are OCR's.